Removing rows from a file

Tags

shell scripts

Top Forums Shell Programming and Scripting Removing rows from a file

12-04-2009

Registered User

5,690, 630

Join Date: Jan 2007

Last Activity: 9 January 2017, 4:40 AM EST

Location: Варна, България / Milano, Italia

Posts: 5,690

Thanks Given: 184

Thanked 630 Times in 587 Posts

Well,
this is normal, when you modify the code I'm posting like this

The awk2.scr should consist of:

Code:

BEGIN { 
  ARGV[ARGC++] = ARGV[ARGC-1] 
  max = 40
  }
FNR == NR { 
  />/ && fnr[FNR] = ++sec 
  $2 + $3 || idx[sec] = $1
  next
  }
FNR in fnr { v = idx[fnr[FNR]] }
$1 - v < max

radoulov

View Public Profile for radoulov

Find all posts by radoulov

12-04-2009

Registered User

945, 8

Join Date: Dec 2009

Last Activity: 28 February 2018, 3:14 PM EST

Posts: 945

Thanks Given: 81

Thanked 8 Times in 8 Posts

Works great now.

Last edited by kristinu; 12-04-2009 at 02:05 PM..

kristinu

View Public Profile for kristinu

Find all posts by kristinu

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Removing top few and bottom few rows in a file

Hi, I have a requirement where I need to delete given number of top and bottom rows in a flat file which has new line as its delimiter. For ex: if top_rows=2 & bottom_rows=1 Then in a given file which looks like: New York DC LA London Tokyo Prague Paris Bombay Sydney...

2. UNIX for Dummies Questions & Answers

Removing rows that contain non-unique column entry

Background: I have a file of thousands of potential SSR primers from Batch Primer 3. I can't use primers that will contain the same sequence ID or sequence as another primer. I have some basic shell scripting skills, but not enough to handle this. What you need to know: I need to remove the...

3. Shell Programming and Scripting

Removing Duplicate Rows in a file

Hello I have a file with contents like this... Part1 Field2 Field3 Field4 (line1) Part2 Field2 Field3 Field4 (line2) Part3 Field2 Field3 Field4 (line3) Part1 Field2 Field3 Field4 (line4) Part4 Field2 Field3 Field4 (line5) Part5 Field2 Field3 Field4 (line6) Part2 Field2 Field3 Field4...

4. Shell Programming and Scripting

Removing duplicated first field rows

Hello, I am trying to eliminate rows where the first field is duplicated, leaving the row where the last field is "NET". Data file: 345234|22.34|LST 546543|55.33|LST 793929|98.23|LST 793929|64.69|NET 149593|49.22|LST Desired output: 345234|22.34|LST 546543|55.33|LST...

5. Shell Programming and Scripting

Bash script help - removing certain rows from .csv file

Hello Everyone, I am trying to find a way to take a .csv file with 7 columns and a ton of rows (over 600,000) and remove the entire row if the cell in forth column is blank. Just to give you a little background on why I am doing this (just in case there is an easier way), I am pulling...

6. Shell Programming and Scripting

Removing rows and chars from text file

Dear community, maybe I'm asking the moon :rolleyes:, but I'm scratching my head to find a solution for it. :wall: I have a file called query.out (coming from Oracle query), the file is like this: ADDR TOTAL -------------------- ---------- TGROUPAGGR...

7. Shell Programming and Scripting

removing rows from text file older than certain date

Hi I need a way of removing rows from a txt file that are older than 30 days from today, going by the date in column 2, below is an example from my file. I have tried awk but don't have enough knowledge. I would really appreciate some help. 41982,15/07/2010,H833AB/0,JZ,288...

8. Shell Programming and Scripting

Removing rows based on a different file (ignore my earlier post - there was a mistake).

Sorry I made a mistake in my last post (output is suppose to be the opposite). Here is a revised post. Hi, I am not sure if this has already been asked (I tried the search but the search was too broad). Basically I want to remove rows based on another file. So file1 looks like this (tab...

9. Shell Programming and Scripting

Removing rows based on a another file

Hi, I am not sure if this has already been asked (I tried the search but the search was too broad). Basically I want to remove rows based on another file. So file1 looks like this (tab seperated): HHN 3 5 5 HUJ 2 2 1 JJJ 3 1 1 JUN 2 1 3 I have another file (file2)...

10. Shell Programming and Scripting